Primefit AT1003 1/2" Air Hammer with (3) Chisel Bits 1/2-inch air hammer with 1-5/8-Inch stroke Includes the (3) most popular chisel Bits and bit retainer spring Can be used for removing or shearing stubborn bolts, cutting sheet metal and small demolition projects 4.0-Scfm delivered at 90-psi with a 20-Percent duty cycle Comes with a 1-year limited warranty